Flexible printed circuit board



FIG. 1 is a perspective view of a flexible printed circuit board showing my design, in a flat state;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is another perspective view thereof, in a folded state;

FIG. 6 is a front view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a rear view thereof.

The broken lines shown in the drawings represent portions of the flexible printed circuit board, that form no part of the claimed design. 

CLAIM The ornamental design for a flexible printed circuit board, as shown and described. 